1-phenyl-5-pyrazolone-3-carboxylic acid CAS 119-18-6

Purity 97%+In StockPharmaceutical Standards
CAS No.119-18-6
Molecular FormulaC10H14N2O3
Molecular Weight210.23 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1-phenyl-5-pyrazolone-3-carboxylic acid CAS 119-18-6 chemical structure

Description

1-phenyl-5-pyrazolone-3-carboxylic acid (CAS 119-18-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H14N2O3. Molecular weight: 210.23 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H14N2O3
Molecular Weight210.23 g/mol
AppearanceOff-white to pale yellow crystalline powder. (faint amine-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957
Nitrogen Atoms2

Recommended Standards

Why CATO?